Supplemental Tables 1–9
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Light-Induced Psba Translation in Plants Is Triggered by Photosystem II Damage Via an Assembly-Linked Autoregulatory Circuit
Light-induced psbA translation in plants is triggered by photosystem II damage via an assembly-linked autoregulatory circuit Prakitchai Chotewutmontria and Alice Barkana,1 aInstitute of Molecular Biology, University of Oregon, Eugene, OR 97403 Edited by Krishna K. Niyogi, University of California, Berkeley, CA, and approved July 22, 2020 (received for review April 26, 2020) The D1 reaction center protein of photosystem II (PSII) is subject to mRNA to provide D1 for PSII repair remain obscure (13, 14). light-induced damage. Degradation of damaged D1 and its re- The consensus view in recent years has been that psbA transla- placement by nascent D1 are at the heart of a PSII repair cycle, tion for PSII repair is regulated at the elongation step (7, 15–17), without which photosynthesis is inhibited. In mature plant chloro- a view that arises primarily from experiments with the green alga plasts, light stimulates the recruitment of ribosomes specifically to Chlamydomonas reinhardtii (Chlamydomonas) (18). However, we psbA mRNA to provide nascent D1 for PSII repair and also triggers showed recently that regulated translation initiation makes a a global increase in translation elongation rate. The light-induced large contribution in plants (19). These experiments used ribo- signals that initiate these responses are unclear. We present action some profiling (ribo-seq) to monitor ribosome occupancy on spectrum and genetic data indicating that the light-induced re- cruitment of ribosomes to psbA mRNA is triggered by D1 photo- chloroplast open reading frames (ORFs) in maize and Arabi- damage, whereas the global stimulation of translation elongation dopsis upon shifting seedlings harboring mature chloroplasts is triggered by photosynthetic electron transport. -
Etude Des Sources De Carbone Et D'énergie Pour La Synthèse Des Lipides De Stockage Chez La Microalgue Verte Modèle Chlamydo
Aix Marseille Université L'Ecole Doctorale 62 « Sciences de la Vie et de la Santé » Etude des sources de carbone et d’énergie pour la synthèse des lipides de stockage chez la microalgue verte modèle Chlamydomonas reinhardtii Yuanxue LIANG Soutenue publiquement le 17 janvier 2019 pour obtenir le grade de « Docteur en biologie » Jury Professor Claire REMACLE, Université de Liège (Rapporteuse) Dr. David DAUVILLEE, CNRS Lille (Rapporteur) Professor Stefano CAFFARRI, Aix Marseille Université (Examinateur) Dr. Gilles PELTIER, CEA Cadarache (Invité) Dr. Yonghua LI-BEISSON, CEA Cadarache (Directeur de thèse) 1 ACKNOWLEDGEMENTS First and foremost, I would like to express my sincere gratitude to my advisor Dr. Yonghua Li-Beisson for the continuous support during my PhD study and also gave me much help in daily life, for her patience, motivation and immense knowledge. I could not have imagined having a better mentor. I’m also thankful for the opportunity she gave me to conduct my PhD research in an excellent laboratory and in the HelioBiotec platform. I would also like to thank another three important scientists: Dr. Gilles Peltier (co- supervisor), Dr. Fred Beisson and Dr. Pierre Richaud who helped me in various aspects of the project. I’m not only thankful for their insightful comments, suggestion, help and encouragement, but also for the hard question which incented me to widen my research from various perspectives. I would also like to thank collaboration from Fantao, Emmannuelle, Yariv, Saleh, and Alisdair. Fantao taught me how to cultivate and work with Chlamydomonas. Emmannuelle performed bioinformatic analyses. Yariv, Saleh and Alisdair from Potsdam for amino acid analysis. -
Lecture Inhibition of Photosynthesis Inhibition at Photosystem I
1 Lecture Inhibition of Photosynthesis Inhibition at Photosystem I 1. General Information The popular misconception is that susceptible plants treated with these herbicides “starve to death” because they can no longer photosynthesize. In actuality, the plants die long before the food reserves are depleted. The photosynthetic inhibitors can be divided into two distinct groups, the inhibitors of Photosystem I and inhibitors of Photosystem II. Both of these groups work in the energy production step of photosynthesis, or the light reactions. Light is required as well as photosynthesis for these herbicides to kill susceptible plants. Herbicides that inhibit Photosystem I are considered to be contact herbicides and are often referred to as membrane disruptors. The end result is that cell membranes are rapidly destroyed resulting in leakage of cell contents into the intercellular spaces. These herbicides act as “electron interceptors” or “electron thieves” within Photosystem I of the light reaction of photosynthesis. They divert electrons from the normal electron transport sequence necessary in Photosystem I. This in turn inhibits photosynthesis. The membrane disruption occurs as a result of secondary responses. Herbicides that inhibit Photosystem I are represented by only one family, the bipyridyliums. See chemical structure shown under herbicide families. These molecules are cationic (positively charged) and are therefore highly water soluble. Their cationic properties also make them highly adsorbed to soil colloids resulting in no soil activity. 2. Mode of Action See Figure 7.1 (The electron transport chain in photosynthesis and the sites of action of herbicides that interfere with electron transfer in this chain (Q = electron acceptor; PQ = plastoquinone). -
Photosystem I-Based Applications for the Photo-Catalyzed Production of Hydrogen and Electricity
University of Tennessee, Knoxville TRACE: Tennessee Research and Creative Exchange Doctoral Dissertations Graduate School 12-2014 Photosystem I-Based Applications for the Photo-catalyzed Production of Hydrogen and Electricity Rosemary Khuu Le University of Tennessee - Knoxville, [email protected] Follow this and additional works at: https://trace.tennessee.edu/utk_graddiss Part of the Biochemical and Biomolecular Engineering Commons Recommended Citation Le, Rosemary Khuu, "Photosystem I-Based Applications for the Photo-catalyzed Production of Hydrogen and Electricity. " PhD diss., University of Tennessee, 2014. https://trace.tennessee.edu/utk_graddiss/3146 This Dissertation is brought to you for free and open access by the Graduate School at TRACE: Tennessee Research and Creative Exchange. It has been accepted for inclusion in Doctoral Dissertations by an authorized administrator of TRACE: Tennessee Research and Creative Exchange. For more information, please contact [email protected]. To the Graduate Council: I am submitting herewith a dissertation written by Rosemary Khuu Le entitled "Photosystem I- Based Applications for the Photo-catalyzed Production of Hydrogen and Electricity." I have examined the final electronic copy of this dissertation for form and content and recommend that it be accepted in partial fulfillment of the equirr ements for the degree of Doctor of Philosophy, with a major in Chemical Engineering. Paul D. Frymier, Major Professor We have read this dissertation and recommend its acceptance: Eric T. Boder, Barry D. Bruce, Hugh M. O'Neill Accepted for the Council: Carolyn R. Hodges Vice Provost and Dean of the Graduate School (Original signatures are on file with official studentecor r ds.) Photosystem I-Based Applications for the Photo-catalyzed Production of Hydrogen and Electricity A Dissertation Presented for the Doctor of Philosophy Degree The University of Tennessee, Knoxville Rosemary Khuu Le December 2014 Copyright © 2014 by Rosemary Khuu Le All rights reserved. -
Product Profiles of Egyptian Henbane Premnaspirodiene
The Journal of Antibiotics (2016) 69, 524–533 & 2016 Japan Antibiotics Research Association All rights reserved 0021-8820/16 www.nature.com/ja ORIGINAL ARTICLE Biosynthetic potential of sesquiterpene synthases: product profiles of Egyptian Henbane premnaspirodiene synthase and related mutants Hyun Jo Koo1,3, Christopher R Vickery1,2,3,YiXu1, Gordon V Louie1, Paul E O'Maille1, Marianne Bowman1, Charisse M Nartey1, Michael D Burkart2 and Joseph P Noel1 The plant terpene synthase (TPS) family is responsible for the biosynthesis of a variety of terpenoid natural products possessing diverse biological functions. TPSs catalyze the ionization and, most commonly, rearrangement and cyclization of prenyl diphosphate substrates, forming linear and cyclic hydrocarbons. Moreover, a single TPS often produces several minor products in addition to a dominant product. We characterized the catalytic profiles of Hyoscyamus muticus premnaspirodiene synthase (HPS) and compared it with the profile of a closely related TPS, Nicotiana tabacum 5-epi-aristolochene synthase (TEAS). The profiles of two previously studied HPS and TEAS mutants, each containing nine interconverting mutations, dubbed HPS-M9 and TEAS- M9, were also characterized. All four TPSs were compared under varying temperature and pH conditions. In addition, we solved the X-ray crystal structures of TEAS and a TEAS quadruple mutant complexed with substrate and products to gain insight into the enzymatic features modulating product formation. These informative structures, along with product profiles, -
Can Ferredoxin and Ferredoxin NADP(H) Oxidoreductase Determine the Fate of Photosynthetic Electrons?
Send Orders for Reprints to [email protected] Current Protein and Peptide Science, 2014, 15, 385-393 385 The End of the Line: Can Ferredoxin and Ferredoxin NADP(H) Oxidoreductase Determine the Fate of Photosynthetic Electrons? Tatjana Goss and Guy Hanke* Department of Plant Physiology, Faculty of Biology and Chemistry, University of Osnabrück,11 Barbara Strasse, Osnabrueck, DE-49076, Germany Abstract: At the end of the linear photosynthetic electron transfer (PET) chain, the small soluble protein ferredoxin (Fd) transfers electrons to Fd:NADP(H) oxidoreductase (FNR), which can then reduce NADP+ to support C assimilation. In addition to this linear electron flow (LEF), Fd is also thought to mediate electron flow back to the membrane complexes by different cyclic electron flow (CEF) pathways: either antimycin A sensitive, NAD(P)H complex dependent, or through FNR located at the cytochrome b6f complex. Both Fd and FNR are present in higher plant genomes as multiple gene cop- ies, and it is now known that specific Fd iso-proteins can promote CEF. In addition, FNR iso-proteins vary in their ability to dynamically interact with thylakoid membrane complexes, and it has been suggested that this may also play a role in CEF. We will highlight work on the different Fd-isoproteins and FNR-membrane association found in the bundle sheath (BSC) and mesophyll (MC) cell chloroplasts of the C4 plant maize. These two cell types perform predominantly CEF and LEF, and the properties and activities of Fd and FNR in the BSC and MC are therefore specialized for CEF and LEF re- spectively. -
(CP) Gene of Papaya Ri
Results and Discussion 4. RESULTS AND DISCUSSION 4.1 Genetic diversity analysis of coat protein (CP) gene of Papaya ringspot virus-P (PRSV-P) isolates from multiple locations of Western India Results – 4.1.1 Sequence analysis In this study, fourteen CP gene sequences of PRSV-P originating from multiple locations of Western Indian States, Gujarat and Maharashtra (Fig. 3.1), have been analyzed and compared with 46 other CP sequences from different geographic locations of America (8), Australia (1), Asia (13) and India (24) (Table 4.1; Fig. 4.1). The CP length of the present isolates varies from 855 to 861 nucleotides encoding 285 to 287 amino acids. Fig. 4.1: Amplification of PRSV-P coat protein (CP) gene from 14 isolates of Western India. From left to right lanes:1: Ladder (1Kb), 2: IN-GU-JN, 3: IN-GU-SU, 4: IN-GU-DS, 5: IN-GU-RM, 6: IN-GU-VL, 7: IN-MH-PN, 8: IN-MH-KO, 9: IN-MH-PL, 10: IN-MH-SN, 11: IN-MH-JL, 12: IN-MH-AM, 13: IN-MH-AM, 14: IN-MH-AK, 15: IN-MH-NS,16: Negative control. Red arrow indicates amplicon of Coat protein (CP) gene. Table 4.1: Sources of coat protein (CP) gene sequences of PRSV-P isolates from India and other countries used in this study. Country Name of Length GenBank Origin¥ Reference isolates* (nts) Acc No IN-GU-JN GU-Jamnagar 861 MG977140 This study IN-GU-SU GU-Surat 855 MG977142 This study IN-GU-DS GU-Desalpur 855 MG977139 This study India IN-GU-RM GU-Ratlam 858 MG977141 This study IN-GU-VL GU-Valsad 855 MG977143 This study IN-MH-PU MH-Pune 861 MH311882 This study Page | 36 Results and Discussion IN-MH-PN MH-Pune -
Itraq-Based Proteome Profiling Revealed the Role of Phytochrome A
www.nature.com/scientificreports OPEN iTRAQ‑based proteome profling revealed the role of Phytochrome A in regulating primary metabolism in tomato seedling Sherinmol Thomas1, Rakesh Kumar2,3, Kapil Sharma2, Abhilash Barpanda1, Yellamaraju Sreelakshmi2, Rameshwar Sharma2 & Sanjeeva Srivastava1* In plants, during growth and development, photoreceptors monitor fuctuations in their environment and adjust their metabolism as a strategy of surveillance. Phytochromes (Phys) play an essential role in plant growth and development, from germination to fruit development. FR‑light (FR) insensitive mutant (fri) carries a recessive mutation in Phytochrome A and is characterized by the failure to de‑etiolate in continuous FR. Here we used iTRAQ‑based quantitative proteomics along with metabolomics to unravel the role of Phytochrome A in regulating central metabolism in tomato seedlings grown under FR. Our results indicate that Phytochrome A has a predominant role in FR‑mediated establishment of the mature seedling proteome. Further, we observed temporal regulation in the expression of several of the late response proteins associated with central metabolism. The proteomics investigations identifed a decreased abundance of enzymes involved in photosynthesis and carbon fxation in the mutant. Profound accumulation of storage proteins in the mutant ascertained the possible conversion of sugars into storage material instead of being used or the retention of an earlier profle associated with the mature embryo. The enhanced accumulation of organic sugars in the seedlings indicates the absence of photomorphogenesis in the mutant. Plant development is intimately bound to the external light environment. Light drives photosynthetic carbon fxa- tion and activates a set of signal-transducing photoreceptors that regulate plant growth and development. -
Metabolic Engineering Yeast Cells for Medium‑Chained Biofuel Synthesis
This document is downloaded from DR‑NTU (https://dr.ntu.edu.sg) Nanyang Technological University, Singapore. Metabolic engineering yeast cells for medium‑chained biofuel synthesis Li, Xiang 2015 Li, X. (2015). Metabolic engineering yeast cells for medium‑chained biofuel synthesis. Doctoral thesis, Nanyang Technological University, Singapore. https://hdl.handle.net/10356/62904 https://doi.org/10.32657/10356/62904 Downloaded on 02 Oct 2021 17:55:26 SGT METABOLIC ENGINEERING YEAST CELLS FOR MEDIUM METABOLIC ENGINEERING YEAST CELLS FOR MEDIUM-CHAINED BIOFUEL SYNTHESIS - CHAINED BIOFUEL SYNTHESIS LI XIANGLI 201 LI XIANG 5 SCHOOL OF CHEMICAL AND BIOMEDICAL ENGINEERING 2015 METABOLIC ENGINEERING YEAST CELLS FOR MEDIUM-CHAINED BIOFUEL SYNTHESIS LI XIANG LI XIANGLI School of Chemical and Biomedical Engineering A thesis submitted to the Nanyang Technological University in partial fulfillment of the requirement for the degree of Doctor of Philosophy 2015 Acknowledgements ACKNOWLEDGEMENTS Four years at Nanyang Technological University were unforgettable. NTU provided me a platform to pursue my degree and opportunity to get to know the most frontier areas and so many outstanding researchers who generously offered me sincere help. Herein, I would like to extend my deep appreciations to them. First and foremost, I would like to thank my supervisor, Prof. Chen Wei Ning William. He kindly provided me the opportunity to pursue my PhD, which has been a great honor. He has always been so kind and supportive and the family-like atmosphere in our research group really has made the four years enjoyable. His professional guidance, enlightening instructions and patient supervisions supported me in every stage in the process of generating this essay. -
Supporting Information High-Throughput Virtual Screening
Supporting Information High-Throughput Virtual Screening of Proteins using GRID Molecular Interaction Fields Simone Sciabola, Robert V. Stanton, James E. Mills, Maria M. Flocco, Massimo Baroni, Gabriele Cruciani, Francesca Perruccio and Jonathan S. Mason Contents Table S1 S2-S21 Figure S1 S22 * To whom correspondence should be addressed: Simone Sciabola, Pfizer Research Technology Center, Cambridge, 02139 MA, USA Phone: +1-617-551-3327; Fax: +1-617-551-3117; E-mail: [email protected] S1 Table S1. Description of the 990 proteins used as decoy for the Protein Virtual Screening analysis. PDB ID Protein family Molecule Res. (Å) 1n24 ISOMERASE (+)-BORNYL DIPHOSPHATE SYNTHASE 2.3 1g4h HYDROLASE 1,3,4,6-TETRACHLORO-1,4-CYCLOHEXADIENE HYDROLASE 1.8 1cel HYDROLASE(O-GLYCOSYL) 1,4-BETA-D-GLUCAN CELLOBIOHYDROLASE I 1.8 1vyf TRANSPORT PROTEIN 14 KDA FATTY ACID BINDING PROTEIN 1.85 1o9f PROTEIN-BINDING 14-3-3-LIKE PROTEIN C 2.7 1t1s OXIDOREDUCTASE 1-DEOXY-D-XYLULOSE 5-PHOSPHATE REDUCTOISOMERASE 2.4 1t1r OXIDOREDUCTASE 1-DEOXY-D-XYLULOSE 5-PHOSPHATE REDUCTOISOMERASE 2.3 1q0q OXIDOREDUCTASE 1-DEOXY-D-XYLULOSE 5-PHOSPHATE REDUCTOISOMERASE 1.9 1jcy LYASE 2-DEHYDRO-3-DEOXYPHOSPHOOCTONATE ALDOLASE 1.9 1fww LYASE 2-DEHYDRO-3-DEOXYPHOSPHOOCTONATE ALDOLASE 1.85 1uk7 HYDROLASE 2-HYDROXY-6-OXO-7-METHYLOCTA-2,4-DIENOATE 1.7 1v11 OXIDOREDUCTASE 2-OXOISOVALERATE DEHYDROGENASE ALPHA SUBUNIT 1.95 1x7w OXIDOREDUCTASE 2-OXOISOVALERATE DEHYDROGENASE ALPHA SUBUNIT 1.73 1d0l TRANSFERASE 35KD SOLUBLE LYTIC TRANSGLYCOSYLASE 1.97 2bt4 LYASE 3-DEHYDROQUINATE DEHYDRATASE -
6.2 Oleate Hydratase
Study Towards Carotenoid 1,2-Hydratase and Oleate Hydratase as Novel Biocatalysts Aida HISENI Study Towards Carotenoid 1,2-Hydratase and Oleate Hydratase as Novel Biocatalysts PROEFSCHRIFT ter verkrijging van de graad van doctor aan de Technische universiteit Delft, op gezag van de Rector Magnificus prof. ir. K.C.A.M Luyben, voorzitter van het College voor promoties, in het openbaar te verdedigen op dinsdag 22 april 2014 om 10:00 uur door Aida HISENI Diplom-Biologin, Heinrich-Heine-Universität Düsseldorf geboren te Doboj, Bosnië en Hercegovina. Dit proefschrift is goedgekeurd door de promotor: Prof. dr. I.W.C.E Arends Samenstelling promotiecommissie: Rector Magnificus voorzitter Prof. dr. I.W.C.E. Arends Technische Universiteit Delft, promotor Prof. dr. U. Hanefeld Technische Universiteit Delft Prof. dr. J.H. de Winde Universiteit Leiden Prof. dr. G. Muijzer Universiteit van Amsterdam Prof. dr. R. Wever Universiteit van Amsterdam Dr. L.G. Otten Technische Universiteit Delft Dr. P. Dominguez De Maria Sustainable Momentum Prof. dr. S. de Vries Technische Universiteit Delft, reservelid This project is financially supported by The Netherlands Ministry of Economic Affairs and the B-Basic partner organizations (http://www.b-basic.nl) through B-Basic, a public- private NWO-ACTS programme [Advanced Chemical Technologies for Sustainability (ACTS)]. ISBN Copyright © 2014 by Aida HISENI All rights reserved. No part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without any prior permission of the copyright owner. To my father Ismet Nukičić Table of Contents 1 General introduction ................................................................................................. -
X-Ray Fluorescence Analysis Method Röntgenfluoreszenz-Analyseverfahren Procédé D’Analyse Par Rayons X Fluorescents
(19) & (11) EP 2 084 519 B1 (12) EUROPEAN PATENT SPECIFICATION (45) Date of publication and mention (51) Int Cl.: of the grant of the patent: G01N 23/223 (2006.01) G01T 1/36 (2006.01) 01.08.2012 Bulletin 2012/31 C12Q 1/00 (2006.01) (21) Application number: 07874491.9 (86) International application number: PCT/US2007/021888 (22) Date of filing: 10.10.2007 (87) International publication number: WO 2008/127291 (23.10.2008 Gazette 2008/43) (54) X-RAY FLUORESCENCE ANALYSIS METHOD RÖNTGENFLUORESZENZ-ANALYSEVERFAHREN PROCÉDÉ D’ANALYSE PAR RAYONS X FLUORESCENTS (84) Designated Contracting States: • BURRELL, Anthony, K. AT BE BG CH CY CZ DE DK EE ES FI FR GB GR Los Alamos, NM 87544 (US) HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (74) Representative: Albrecht, Thomas Kraus & Weisert (30) Priority: 10.10.2006 US 850594 P Patent- und Rechtsanwälte Thomas-Wimmer-Ring 15 (43) Date of publication of application: 80539 München (DE) 05.08.2009 Bulletin 2009/32 (56) References cited: (60) Divisional application: JP-A- 2001 289 802 US-A1- 2003 027 129 12164870.3 US-A1- 2003 027 129 US-A1- 2004 004 183 US-A1- 2004 017 884 US-A1- 2004 017 884 (73) Proprietors: US-A1- 2004 093 526 US-A1- 2004 235 059 • Los Alamos National Security, LLC US-A1- 2004 235 059 US-A1- 2005 011 818 Los Alamos, NM 87545 (US) US-A1- 2005 011 818 US-B1- 6 329 209 • Caldera Pharmaceuticals, INC. US-B2- 6 719 147 Los Alamos, NM 87544 (US) • GOLDIN E M ET AL: "Quantitation of antibody (72) Inventors: binding to cell surface antigens by X-ray • BIRNBAUM, Eva, R.